Home / 113,148.68-169,781.92-45,697.38

Finding the Fourth Proportional to 113,148.68, 169,781.92 and 45,697.38

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Solution

The fourth proportional to 113,148.68, 169,781.92 and 45,697.38 is: 68,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,148.68 : 169,781.92 = 45,697.38 : x
  2. Step 2: Convert to fraction form
    113,148.68/169,781.92 = 45,697.38/x
  3. Step 3: Cross multiply
    113,148.68x = 169,781.92 × 45,697.38
  4. Step 4: Simplify right side
    113,148.68x = 7,758,588,915.37
  5. Step 5: Solve for x
    x = 7,758,588,915.37/113,148.68
  6. Step 6: Final answer
    x = 68,569.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.